Find the probability of the event.A bag contains 3 red marbles, 8 blue marbles, and 7 green marbles. What is the probability of choosing a blue marble when one marble is drawn?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the center and radius of the sphere.x2 + y2 + z2 - 10x - 4y + 6z = -29
A. C(5, 2, 3), a = 3 B. C(5, 2, -3), a = 3 C. C(-5, -2, 3), a = 3 D. C(5, 2, -3), a = 9
Mathematics
Without graphing, find the vertex.f(x) = 6
2 - 6.76
A. 
B. 
C. 
D. 
Mathematics
Write the equation of the line with the given slope and y-intercept.Slope- 
; y-intercept is 5
A. y = 
x - 5
B. y = - 
x + 5
C. y = 
x + 5
D. y = - 
x - 5
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.-1(x2 + 6x + 1) + (3x2 - x - 4)
A. -4x2 - 7x - 5 B. 2x2 - 7x - 3 C. 2x2 - 6x - 5 D. 2x2 - 7x - 5
Mathematics